RubySec

Providing security resources for the Ruby community

CVE-2019-8321 (rubygems-update): Escape sequence injection vulnerability in verbose

Escape sequence injection vulnerability in verbose

Published: March 05, 2019

SECURITY IDENTIFIERS

GEM

rubygems-update

LIBRARY

RubyGems

SEVERITY

CVSS v3.x: 7.5 (High)

UNAFFECTED VERSIONS

< 2.6

PATCHED VERSIONS

>= 3.0.3 ~> 2.7.9

DESCRIPTION

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.